MIL-STD-188-110D 29 de diciembre de 2017, Aprobado para publicación pública. WBHF (App.D) ahora es de 3 a 48 KHz, fue hasta 24 KHz en 110C

saludos cordiales,
Antonio

nice job!

Algo se mueve en las frecuencias de La Guardia di Finanza. Frec: 8.190 Khz [2015-03-25 21:22:48] [2015-03-25 21:22:48] [NORMAL MODE][TO][AAP][TO][AAP][TO][AAP][TO][AAP][TO][AAP][TO][AAP][CMD LQA REQUEST RESPONSE MP = (7) SINAD = (31) BER = (31) ][TIS][RHP][EOM] [2015-03-25 21:37:48] [2015-03-25 21:...

Bienvenido a bordo !

parece ser la parte final de un FAX HF

hola, Several times I noticed spread spectrum transmissions (Hopping Frequency Spectrum Transmissions, HFSS) after few seconds the end of the SOC sync: possibly it is the traffic just following that sync. Below an eaxmple of these HFSS: http://1.bp.blogspot.com/-Jdo85r4BTOU/VbHy-y9YPKI/AAAAAAAAFjE/u...

http://4.bp.blogspot.com/-VyBjys2Yr9g/Va1zyT85OvI/AAAAAAAAFfI/WppoLNnOomg/s1600/signal2.png http://4.bp.blogspot.com/-KQ0JBzhNnGc/VVXEb4QtRBI/AAAAAAAAFAs/3Kug7HdXg9M/s1600/signal.png recording https://www.dropbox.com/s/cnid4m5hjaimq7v/ARCOTEL-MAHRS-2400-ALE.wav?dl=0 Fast bursts sent every 500 msec,...

http://1.bp.blogspot.com/-5bxvyI9f3yk/Va7AHG16t4I/AAAAAAAAFfs/wWd6JyZLdGY/s1600/segnale.png http://3.bp.blogspot.com/-OtyU-qkmaHI/Va7BTaBePiI/AAAAAAAAFf4/nLkCIMsNKuY/s1600/wf.png recording: https://www.dropbox.com/s/otg1cf4zsrcbq5w/RACAL-THALES-PANTHER-H.wav?dl=0 These common signals belong to the ...

thanks AngazU for your comments, always interesting. Infact, the curious aspect is just the pips that are sent about every 730mS. The other curious aspect is that these transmissions occur in the well-known 20 mt reserved band (14000-14350): that's because I guessed a military or intel source, possi...